Finding the Fourth Proportional to 1,540,922.67, 2,126,480.49 and 861,859.17
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Solution
The fourth proportional to 1,540,922.67, 2,126,480.49 and 861,859.17 is: 1,189,369.68
Step by Step Solution
- Step 1: Write the proportion equation
1,540,922.67 : 2,126,480.49 = 861,859.17 : x - Step 2: Convert to fraction form
1,540,922.67/2,126,480.49 = 861,859.17/x - Step 3: Cross multiply
1,540,922.67x = 2,126,480.49 × 861,859.17 - Step 4: Simplify right side
1,540,922.67x = 1,832,726,710,132.59 - Step 5: Solve for x
x = 1,832,726,710,132.59/1,540,922.67 - Step 6: Final answer
x = 1,189,369.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.